US1718673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-pressure regulator and return motion therefor
Assignee: Individual
•
Filing: 1927-03-31
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Granted: 1929-06-25
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Expires: 1947-03-31
Abstract
No abstract record available.
Inventors
- 👤 Fritz A Wettstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:52
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/18; G05D16/185; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0396; Y10T137/0971; Y10T137/1026; Y10T137/2278; Y10T137/2409; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7781; Y10T137/7784; Y10T137/7786; Y10T137/7787; Y10T137/7792; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1932-06-24 | 1932-12-24 | 1933-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-06-24 | 1936-12-24 | 1937-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-06-24 | 1940-12-24 | 1941-06-25 | $7700.00 | Window Closed / Lapsed |